2021 Orro Bikes Venturi STC

	S	M	L	XL
Stack	523mm	542mm	561mm	580mm
Reach	378mm	385mm	392mm	399mm
Stack to Reach Ratio	1.38:1	1.41:1	1.43:1	1.45:1
Seat Tube Length, C-T	480mm	510mm	535mm	560mm
Top Tube Length, Effective/Horizontal HT Top	523.1mm	540.4mm	558.2mm	576.3mm
Top Tube Slope	6.8deg	5.6deg	5.1deg	4.5deg
Head Tube Angle	71.8deg	72.2deg	72.3deg	72.3deg
Seat Tube Angle	74.5deg	74deg	73.5deg	73deg
Head Tube Length	123.6mm	142.8mm	163.8mm	183.7mm
Bottom Bracket Drop	71mm	71mm	69mm	69mm
Bottom Bracket Height	268mm	268mm	270mm	270mm
Chainstay Length	406mm	406mm	406mm	406mm
Chainstay Length Horizontal	399.7mm	399.7mm	400.1mm	400.1mm
Front-Center	581.5mm	592.7mm	603.4mm	616.3mm
Front-Center Horizontal	577.2mm	588.5mm	599.4mm	612.4mm
Wheelbase	976.9mm	988.2mm	999.5mm	1012.5mm
Fork Offset/Rake	48mm	48mm	48mm	48mm
Trail	60.9mm mid/neutral	58.4mm mid/neutral	57.8mm mid/neutral	57.8mm mid/neutral
Mechanical Trail	57.9mm	55.6mm	55.1mm	55.1mm
Wheel Flop	18.1mm	17mm	16.7mm	16.7mm
Tire to Pedal Spindle	72.5mm 170 mm cranks	83.7mm 170 mm cranks	94.4mm 170 mm cranks	107.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	98mm 170 mm cranks	98mm 170 mm cranks	100mm 170 mm cranks	100mm 170 mm cranks

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Category Trend

Source:https://www.orrobikes.com/shop/2021-venturi-ultegra

Geometry